Complete these sentences with the correct form of the word in brackets.

1. Opencast coal mining is among the most environmentally _________ activities carried out in Wales. (DESTROY)

2. You'll need to be a little more _________ if you want to hold their attention. (IMAGINE)

3. Would both countries claim the proposals not to __________ whale populations? (DANGER)

4. They use __________-friendly fabrics in their clothing made from recycled plastic bottles. (ENVIRONMENT)

5. Safeguard your computer with a high-quality surge _________, a device used to protect computers and other electrical equipment from a sudden increase in the flow of electrical power. (PROTECT)